Port-Gentil Weather in December

NASA POWER reanalysis for the half-degree grid cell around Port-Gentil, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 27°C on December 1 to 27°C on December 31, and lows from 26°C to 26°C. Normal precipitation for the month is 188 mm over about 26 wet days.

December day by day

The normal high and low for each date, and the record, in °C.

Normal low
Normal high
Record high
Record low

December at a glance

Average high: 27°C
Average low: 26°C
Precipitation: 188 mm
Record high: 35°CDec 17, 1981
Record low: 18°CDec 4, 2012
Daylight: 12 h 10 min to 12 h 10 min
Cloud cover: 73%
Humidity: 86%
Dew point: 24°C
Wind: 14.8 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

Date	Normal high	Normal low	Record high	Record low	Chance wet
Dec 1	27°C	26°C	30°C 1962	21°C 1971	93%
Dec 2	27°C	26°C	31°C 2016	21°C 1969	92%
Dec 3	27°C	26°C	31°C 1951	21°C 1964	91%
Dec 4	27°C	26°C	32°C 2015	18°C 2012	90%
Dec 5	27°C	26°C	32°C 1951	21°C 1971	89%
Dec 6	27°C	26°C	33°C 1998	22°C 1964	88%
Dec 7	27°C	26°C	31°C 2015	21°C 1964	88%
Dec 8	27°C	26°C	31°C 1951	21°C 1968	87%
Dec 9	27°C	26°C	31°C 1951	20°C 1978	86%
Dec 10	27°C	26°C	31°C 1952	21°C 1971	86%
Dec 11	27°C	26°C	32°C 1952	21°C 1951	86%
Dec 12	27°C	26°C	32°C 1952	20°C 2008	84%
Dec 13	27°C	26°C	33°C 2014	21°C 1971	83%
Dec 14	27°C	26°C	32°C 1952	21°C 1971	83%
Dec 15	27°C	26°C	32°C 1952	21°C 1971	82%
Dec 16	27°C	26°C	31°C 1952	22°C 1961	81%
Dec 17	27°C	26°C	35°C 1981	21°C 1974	80%
Dec 18	27°C	26°C	32°C 2016	19°C 1993	79%
Dec 19	27°C	26°C	32°C 1951	22°C 1967	78%
Dec 20	27°C	26°C	31°C 2023	22°C 1970	78%
Dec 21	27°C	26°C	32°C 1951	22°C 1972	79%
Dec 22	27°C	26°C	32°C 1951	22°C 1992	79%
Dec 23	27°C	26°C	32°C 2019	22°C 1962	79%
Dec 24	27°C	26°C	32°C 1951	21°C 1970	79%
Dec 25	27°C	26°C	32°C 1951	22°C 1960	79%
Dec 26	27°C	26°C	31°C 2015	21°C 1970	79%
Dec 27	27°C	26°C	32°C 2019	21°C 1955	79%
Dec 28	27°C	26°C	33°C 2014	21°C 1953	80%
Dec 29	27°C	26°C	31°C 1951	21°C 1953	80%
Dec 30	27°C	26°C	33°C 1987	22°C 1975	80%
Dec 31	27°C	26°C	32°C 2016	21°C 2015	80%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+1).

December 1: sunrise 6:09 AM, sunset 6:19 PM
December 31: sunrise 6:23 AM, sunset 6:33 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station GB000004501, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-27. Sun and moon: computed with the NOAA solar equations and Meeus.